BANK & INSURANCE (MISSING NUMBER SERIES PART 2)

Total Questions: 50

21. 6, 11, 22, 39, 62, ?

Correct Answer: (c) 91
Solution:

Differences: +5, +11, +17, +23 (increase by 6). Next +29 ⇒ ? = 62 + 29 = 91.

22. 912, 456, 228, 114, 57, ?

Correct Answer: (d) 28.5
Solution:

Each term is half of the previous: ÷2. So ? = 57 ÷ 2 = 28.5.

23. 11, 23, 43, ?, 107, 151

Correct Answer: (a) 71
Solution:

Differences: +12, +20, +28, +36, +44 (increase by 8). So ? = 43 + 28 = 71.

24. 27, 40, 66, ?, 157, 222

Correct Answer: (b) 105
Solution:

Differences: +13, +26, +39, +52, +65 (increase by 13). So ? = 66 + 39 = 105.

25. 4, 6, 10, 16, 26, ?, 68

Correct Answer: (c) 42
Solution:

Each term is sum of previous two: 4+6=10, 6+10=16, 10+16=26, 16+26=42, 26+42=68. So ?=42.

26. 39, 40, 48, ?, 139, 264

Correct Answer: (d) 75
Solution:

Add cubes: +1³, +2³, +3³, +4³, +5³. So missing = 48 + 27 = 75.

27. 57, 81, ?, 201, 297, 417

Correct Answer: (d) 129
Solution:

Differences increase by 24: +24, +48, +72, +96, +120. So ? = 81 + 48 = 129.

28. 21, 37, 57, 81, 109, ?

Correct Answer: (a) 141
Solution:

Differences: +16, +20, +24, +28 (increase by 4). Next +32 ⇒ ? = 109 + 32 = 141.

29. 81, ?, 86, 81, 91, 86, 96

Correct Answer: (a) 76
Solution:

Pattern: −5, +10 repeating: 81−5=76, +10=86, −5=81, +10=91, −5=86, +10=96. So missing = 76.

30. 360, 360, ?, 60, 15, 3

Correct Answer: (b) 180
Solution:

Divide by 1,2,3,4,5 respectively: 360/1=360, 360/2=180, 180/3=60, 60/4=15, 15/5=3. So ?=180.